Domains with DNS TXT v=spf1 include:spf.swan.sk include:spf_b.swan.sk ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.swan.sk include:spf_b.swan.sk ~all.

Top Domains with TXT set to v=spf1 include:spf.swan.sk include:spf_b.swan.sk ~all